Security Architecture and Design Individual Assignment 5

Individual Assignment 5 
Briefly respond to all the following questions. Make sure to explain and backup your responses with facts and examples. This assignment should be in APA format and have to include at least two references. Assignment must be at least 600 words. Include a coversheet with a title, your name, class ID and date at minimum. Report due by Saturday.
Since it is so dangerous, why would designers install software into the kernel at all (or make use of kernel software)? If you were an antivirus designer or maker, what other methods do you utilize to prevent virus?